Artelia deploys proven know-how in this field to help clients select processes and implement the developments that most closely match their present and future needs (reduction at source, collection service, waste collection centres, sorting centres, waste-to-energy plants based on incineration and anaerobic digestion, composting, recycling, landfill, ultimate waste storage sites, etc.). As Artelia has found in numerous countries, controlling solid waste - the quantity and diversity of which is growing constantly - is inseparable from controlling waste water. It calls for a comprehensive approach to the questions of collection, sorting and recovery, and has to take into account a range of major institutional, economic and financial constraints.

Pau city centre features some remarkable architectural and historic assets (including a listed sector). The presence of many underground networks (including ancient structures) as well as of shops and tourist attractions means that this study has a number of very specific aspects.